Oct 24 (Reuters) - American Airlines Group Inc on Wednesday said flight 257 bound for Mexico City from Miami has been cleared after a security concern and "will be reboarding momentarily".

Miami International Airport had said in a tweet earlier that police were investigating a security concern related to the flight. The passengers on the flight had been evacuated, the airport said. (Reporting by Shubham Kalia in Bengaluru and Tracy Rucinski; Editing by Sandra Maler and Michael Perry)